Allow camera access when asked. Then hold a card in view, or slide it into the holder.
Tap Start camera.
Not this card?
Fix a card by hand
Recent scans
What the scanner saw
Tap a card for its details. Use + and − under a card to add or remove copies.
Type at least two letters. Tap a card for its details and to add it to your collection.
Your collection is empty. Scan a card or open a set and tap + under a card.
Camera
Read regions (percent)
On the Scan tab, the "card" box is the card's outline in the camera picture (percent of the picture). Fit it tightly around a card in the slot. The "name" and "num" boxes are percent of the card box: put them over the name and the number at the bottom.
Install
In Safari, tap Share, then Add to Home Screen. Installed apps keep their saved cards much more reliably. Export a backup from the Collection tab now and then.